Double In Blackjack

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As one of the most popular casino games, blackjack can be found in most land-based and online casinos. Due to its relative simplicity and extremely low house edge, it is preferred by both skilled and average players but in order to maximize their winnings, they must learn how to play the game correctly. It seems that one of the most confusing ideas in blackjack theory is that of the 'soft and hard hands'.

It is soft hands, in particular, that often cause uncertainty even in those who consider themselves experienced blackjack players. Furthermore, casiual players tend to make more mistakes when playing with a soft hand than with any other hand. Las vegas slot. In fact, every single hand in blackjack can be classified as either a hard or a soft hand – any two-card hand that does not include an Ace is referred to as a hard hand, while hands with Aces in them fall under the category of soft hands.

  • A double down in blackjack is when you double your original wager after receiving your first two cards. Once the cards have been dealt, you will be given the option to double down if the rules permit. If you win this double down bet you will collect double your original wager. Double Down Blackjack.
  • Blackjack double down allows you to double your bet in the middle of a blackjack hand in exchange for an additional card. Despite how exciting the doubling down option might be, it's also risky. If you get a second low card, it would mean you can't hit again, indicating that the probability you'd beat the dealer is low.

In other words, let's explain first what does it mean to double down in blackjack. In a way, doubling down is a simple and straightforward betting option. As the name says, to double down means to put another wager next to your initial stake in the hand. By doing so, you will risk twice as many dollars.

This is, at least, the simplest explanation but real-life blackjack is a little more complicated than that. While the definitions of hardness and softness are quite simple and straightforward, the correct strategy of playing out these two types of hands is often elusive.

Soft and Hard Hands in Blackjack

In the simplest of terms, soft hands consist of two cards, one of which is an Ace, while hard hands do not include an Ace. But why is necessary to make this distinction? The key is the nature of the Ace in blackjack – this is the only card in the game that does not have a fixed value. It counts as either 1 or 11 so it cannot be busted by Hitting once. To describe this in a simpler manner, let us see some examples of hard and soft hands:

  • Hard Hands – 3-5 (hard 8), 9-4 (hard 13), 7-10 (hard 17)
  • Soft Hands – Ace-3 (soft 14), Ace-5 (hard 16), Ace-6 (soft 17)

Players who are dealt a hard hand at the beginning of a round – 7-10 for example, are presented with little freedom as to how to play out their hand. If they Hit, i.e. decide to draw another card, they have a big chance of exceeding 21 and busting. If it is a soft 17, however, Ace-6, the hand can be counted as either 17 or 7 and if players Hit, the risk of busting is considerably smaller. Imagine you receive 17 and you decide to Hit – you are dealt 7. The hard hand will reach 24 and therefore bust, while the soft hand will become 16, only here, the Ace will count as 1 and not 11.

And this is where the theory becomes more interesting. While many players and even blackjack guides consider only two-card hands as being hard or soft, real-life play requires you to look at a hand of 3 or even more cards. Not all hands with an Ace in them are soft – in fact, all hands with an Ace that counts as 1 are hard hands. Let us take the 17 hand example, once again.

A soft 17 would be Ace-6, as well as various other combinations such as Ace-4-2, Ace-2-2-2, and even Ace-Ace-3-2. In that last example, the hand should still be considered soft because one of the Aces may count as 11 or 1 without resulting in a bust. The hand still has a lot of liquidity as it can be counted as 17 or as 7.

There are, however, hands where the Ace must be counted as 1 otherwise the hand will bust. In these instances, this will be a hard hand even though it contains an Ace. A good example of this is a hand of 8-9 (hard 17) – an inexperienced player, who does not know the basic blackjack strategy, may decide to Hit. This would not be the optimal decision and, in fact, 17 is not a very good hand in blackjack but let us get back to the imaginary scenario.

The player Hits and an Ace is dealt – the hand will be 8-9-Ace and the Ace cannot count as 11 because the player will bust. In this case, the Ace always counts as 1 – once again, a rigid hand with a fixed value that cannot be adjusted, hence, this will be a hard 18. Secrets to winning on slot machines.

Playing Out Soft Hands

As you can see, the Ace plays an important and a really unique role in blackjack. Players should know one basic rule when they are dealt a hand with an Ace – always count the Ace as 11 as long as your hand does not bust. There are many more fundamental things players need to understand when playing out a soft hand and if they do that correctly, their chances of making some decent profits from blackjack will increase – even without counting the cards.

As we always count the Ace as 11 in soft hands, there will be only several soft hands that can be dealt initially – from soft 12 (Ace-Ace) to soft 20 (Ace-9). A soft 21 (Ace-10/Ace-Jack, etc.), as we all know, is blackjack and it always wins in the standard game. A soft 12 is also a special case as it can count as 2 or 12 but it is also a pair that brings great opportunities when it is split. And here comes the second universal rule that applies to all variations of blackjack – you should always Split a pair of Aces.

However, a few other things should be considered. First and foremost, most versions of blackjack would allow only one card to be dealt to each of the split hands. After that, the two hands automatically Stand and are compared to the dealer's hand. The best scenario, in this case, is receiving 10-value cards (10, J, Q, or K) to your split Aces for a total of 21. Other beneficial outcomes would be getting 8 or 9, which would result in hands of 19 or 20, respectively. If they are dealt 7, the total of 18 would still be relatively good. If the cards are below 7, however, the outcome will not be favorable to players at all.

But the Ace-Ace hand is a special hand and players need to know how to play the other soft hands – whether they Stand, Hit or even Double Down.

Standing on Soft Hands

Most skilled blackjack players would never Stand on soft hands – with just a few exceptions. And there is a good reason for this – the flexibility of soft hands allows the player to make the most of the hand without having to fear busting. In fact, the decision whether to Stand, Hit, or Double would depend not only on the exact value of the player's hand but also on the dealer's card that is shown on the table and the number of decks used in the game.

You should never Stand on soft 17 or less. There are just a handful of scenarios when players are advised to Stand on a soft hand. They should always Stand when they have a soft 20 or more. If they have a soft 19, they should also Stand, except when the dealer has a 6 – here, they should Double if this option is permitted. They should also Stand when they have a soft 18 and the dealer holds 7 or 8. This applies to games where the dealer is required to hit on soft 17. If the dealer must stand on soft 17, the player should always stand on soft 19 or more, as well as on soft 18 and dealer 2, 7, or 8.

As for the number of decks in play, the above-mentioned rules should be considered mostly for games with 4, 6, or 8 decks. Most casinos – both online and land-based, tend to opt for blackjack versions with 4 to 8 decks.

Hitting on Soft Hands

Soft hands are much safer to play than hard hands, especially when it comes to drawing more hands to them. Often, players would avoid hitting on hard hands over 12 or 13 as the new card may easily lead to a bust. It is much more different when you have an Ace – if the hand goes over 21, the Ace will simply count as 1 and save the player from losing immediately.

The general rule is to Stand on all hands that are higher than 18 and to Hit on soft hands with a total of 17 or less. There are, of course, some exceptions. Typically, players are also advised to Hit on soft 18 if the dealer's up card is 9, 10, or an Ace. In fact, soft 18 may be a little confusing for some players, as depending on the dealer's card, they may be better off doubling down.

Doubling Down on Soft Hands

Many blackjack players, especially those with little knowledge of the basic strategy for this game, would avoid the Double option altogether. But if played correctly, it can bring them good winnings in the long term. In reality, professional players know exactly when to Double when having soft hands and this is why they tend to quickly catch the attention of casinos – remember that many casinos associate professional blackjack players with card counters.

But you do not need to count cards to know when doubling on soft hands is profitable. There are two cards that are not favorable to the dealer – these are 5 and 6, which is why players should always Double against these two numbers on their soft 13 through soft 18. It is also a good strategy to Double Down against dealer 4 if you hold soft 15 through soft 18.

Soft 17 Rule for the Dealer

This is one of the fundamental rules in blackjack and it is usually displayed on the table itself. Most casinos used to require the dealer to Stand on soft 17, which was and still is favorable to the player. After all, the average winning hand in blackjack has been calculated to be 18.5 (i.e. at least 18) and dealers who Stand on soft 17 are easier to beat.

However, many games in recent years have introduced another rule – dealers must draw to 16 but if they hold a soft 17, they must Hit. This allows them to improve their hand against the player and is, therefore, beneficial for the casino, not the player. After all, soft hands cannot bust – they can only be improved. So, blackjack tables where the dealer Hits on soft 17 increase the house edge. Players are advised to choose games where the dealer must Stand on all 17's.

Basic Strategy for Soft Hands

As you can see, playing with soft hands is not too complex but to avoid mistakes, players should learn how to act in every situation. There may be dozens of tips and strategies developed over the years but both professional and occasional blackjack players show learn the basic strategy of the game. As there are many different versions of 21, there may be slight changes but overall, this basic strategy for soft hands will apply to most blackjack games.

Player's Soft Hand/ Dealer's Card2345678910Ace
13HHHD/HD/HHHHHH
14HHHD/HD/HHHHHH
15HHD/HD/HD/HHHHHH
16HHD/HD/HD/HHHHHH
17HD/HD/HD/HD/HHHHHH
18D/SD/SD/SD/SD/SSSHHH
19SSSSD/SSSSSS
20SSSSSSSSSS
A-ASPSPSPSPSPSPSPSPSPSP
  • H – Hit
  • S – Stand
  • D/H – Double, if it is not allowed, you should Hit
  • D/S – Double, if it is not allowed, you should Stand
  • SP – Split

What Does Double In Blackjack Mean


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Blackjack odds are percentage figures which represent your probability of losing or winning a hand. They can also represent the house edge or their profit margins as well. Usually probability odds don't mean much on the short term, but they clearly average out in the long term and this is why the casinos always win over the long term.

We decided to make a few tables and charts of the most common blackjack probability odds for various scenarios and situations found while playing blackjack. The most important odds percentage represents the dealer's edge in the game. This is the long term advantage that they have which will eventually take your money away. Blackjack is actually one of the most popular games in the casino and also has some of the lowest odds of all the casino games, except casino craps of course. Generally their edge ranges from 1% to 15% depending on what variation of blackjack you are playing.

How to Beat the Casino House Odds

There is one feature that makes blackjack more desirable than any other casino game. There is actually a way to beat the house edge by increasing your odds. In fact, your probability odds in blackjack can be increase to the point where you would actually be making the profit in the long term, essentially turning the casino into a personal ATM. This practice is known as card counting and casinos don't like this because they know they will be losing money.

What Does It Mean To Double In Blackjack

Before you start card counting, you should learn 'blackjack basic strategy', which is the mathematically correct way to play every move in blackjack to get the best odds. This can lower the house edge to less than 1 percent. When that percentage goes to a negative number such as -1%, then it is you who has the edge over the casino. This is when you complement basic strategy with card counting to get the highest efficiencies.

Odds vs. Dealer Up Card

The first odds chart shows what kind of advantage the player has vs. the dealer based on what his up card is showing. The first column in the chart is what card the dealer has showing after the cards have been dealt. The second column of the table shows the dealer's probability of going bust based on each card. The last column shows the advantage the player has and the probability of winning based on the basic strategy theory. As you can see, the dealer has about a 43% chance of going bust when he has a 5 showing as an up card. At the same time, the player has about 23% advantage as well. Notice that the player advantage goes negative when the 10 cards and ace start showing up. This means the player is more likely to lose.

Dealer's Up CardDealer Odds of BustingPlayer Advantage Percentage
235.30%9.8%
337.56%13.4%
440.28%18.0%
542.89%23.2%
642.08%23.9%
725.99%14.3%
823.86%5.4%
923.34%-4.3%
1021.43%-16.9%
J21.43%-16.9%
Q21.43%-16.9%
K21.43%-16.9%
A11.65%-16.0%

Blackjack odds of Busting While Taking a Hit

What Is Double In Blackjack

This chart shows the probabilities of going bust after taking a hit. Busting means that your card total would go over 21 points and would be a hard total as well. The highest score you can get when being initially dealt two cards is 21 points so you can never go bust. This means if you took a hit on a hard 21, you would have a 100% probablity of going bust, which is common sense. Also, if you have 11 points or less, it is impossible to go over 21 points on the next hit and your odds of going bust would be 0 percent.

Total Hand ValueProbability of Going Bust
21100%
2092%
1985%
1877%
1769%
1662%
1558%
1456%
1339%
1231%
11 or less0%

House Advantage with Multiple Number of Decks

The number of 52 card decks in a game of blackjack influences the house edge. In some cases, the odds increase in favor of the casino when more decks are used. The advantage edge can be as much as 1% towards the casino and this is a big number in terms of odds over the long term. Ruby slipper slot. As you can see here, a single deck of card gives the lowest edge for the casino and gives the player better odds. Multiple decks such as eight decks increases the house edge almost 18 times more than it would for the single deck!

Number of DecksHouse Odds Advantage
Single Deck0.04%
Double Deck0.42%
Four Decks0.61%
Six Decks0.67%
Eight Decks0.70%

Two Card Frequency Odds

The next odds table deals with the first two cards being dealt or the 2 card frequency odds. Every player is dealt two cards at the beginning of a round of blackjack so this chart tells you the percentage of getting different categories of hands. A natural blackjack is only 4.8%, which essentially is an ace dealt with a ten card straight off the initial deal. Normally the odds are 3 to 2 and you would win $3 for every $2 wagered. It's a small percentage but it's the most desirable hand to get. The lowest hand you can get is two points (two aces). This is part of the decision hands group where players are usually dealt soft hands and can make decisions without going bust. This group is the most common.

The other category is the hard standing hands. These hands are somewhat desirable because of the high scores likely to beat the dealer. These are the second most frequent two card blackjack hands. Finally there is a no bust two card hand. No bust means any two card hand that won't bust on the next hit, such as any soft hand or hard hand that is 11 points or less.

Blackjack tips and strategies
Two Card CombinationFrequency Percentage
Natural 21 Blackjack4.8%
Hard Standing (17 - 20)30.0%
Decision Hands (2-16)38.7%
No Bust26.5%
Total (all two card hands)100%

When To Double In Blackjack


Probability Edge for Each Card Removed from Deck

The next table shows how much your odds improve after when certain cards have been dealt and removed from the deck. Certain cards taken out of the deck and increase or decrease your blackjack odds percentage and the house edge.

This is very important for card counting. If you want the absolute perfect odds in card counting, you have to acount for each small change in the odds whenever a card is dealt. As you can see from the table, when small cards are taken out of play, the odds increase in your favor overall. This is a paramount property of card counting. The opposite happens when large cards are dealt. Your odds begin to decrease. When you are counting cards, you will notice your count decreasing when large cards are dealt.

You can imagine how complicated it would be to be adding these numbers in your head while card counting at the same time. If your mind was a computer, it would be easier to keep track of the percentage. Some people can do this, and this is the way to become a perfect card counter! It is easier to keep track of the odds when playing with a single blackjack deck. For example, when five cards are seen on the table, they offer a 0.67% increase in your advantage. In fact, when a lot of fives are used up, your odds will be much higher than if any of the other low cards were used up, even the six point cards. Also, these effects are cumulative so you always need to keep track of the odds after every card is dealt. This data is actually quite amazing!

Removed CardEffect on Odds
20.40%
30.43%
40.52%
50.67%
60.45%
70.30%
80.01%
9-0.15%
10-0.51%
Jack-0.51%
Queen-0.51%
King-0.51%
Ace-0.59%

Dealer Final Hand Probability Odds

This next table shows the odds of what the dealer's final hand will be. Usually in blackjack, the dealer must hit on 16 and stand on 17. These rules are slightly different for other variations of twenty-one. So generally, the odds of the dealer's final score being 16 are 0% because he must hit. This table will show the probability of the dealer busting or getting a non-bust hand as well as natural blackjacks.

Dealer Final HandProbability of Getting Final Hand
Natural Blackjack4.82%
21 (more than 2 cards)7.36%
2017.58%
1913.48%
1813.81%
1714.58%
Non-Bust (less than 21)71.63%
Bust (more than 21)28.37%


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